Appending a string in a loop in effective way

Question

for long time , I always append a string in the following way.

for example if i want to get all the employee names separated by some symbol , in the below example i

Answer 1

For your final pipe issue, simply leave the last append outside of the loop

int size = EmployeeList.length()
for(int i = 0; i < size - 1; i++)
{
     final+=EmployeeList.getEmployee(i).Name+"|";
}
final+=EmployeeList.getEmployee(size-1).Name;